APFIVE Horizontal Tangent Line Condition
The implicitly defined function xy + sin(y) = 4 has horizontal tangent lines when:
A
dx/dy = ∞
B
dy/dx = 0
C
dx/dy = 0
D
dy/dx = ∞
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The implicitly defined function xy + sin(y) = 4 has horizontal tangent lines when:
dx/dy = ∞
dy/dx = 0
dx/dy = 0
dy/dx = ∞
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